Reduce code silliness slightly in tile_physics.
Reduce code silliness slightly in tile_physics.

Lasercake/Lasercake,idupree/Lasercake,idupree/Lasercake,Lasercake/Lasercake,Lasercake/Lasercake,idupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,Lasercake/Lasercake,elidupree/Lasercake,Lasercake/Lasercake,idupree/Lasercake,elidupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,elidupree/Lasercake